Chapter 6

A cat eats a bird, which ate a caterpillar that chewed on a weed. Which of these organisms are autotrophs? Which ones are heterotrophs?

Which of the following statements is incorrect? a. Pigments absorb light of certain wavelengths only. b. Many accessory pigments are multipurpose molecules. c. Chlorophyll is green because it absorbs green light.

In plants, the light-dependent reactions proceed at/in the a. thylakoid membrane c. stroma b. plasma membrane d. cytoplasm

When a photosystem absorbs light, a. sugar phosphates are produced b. electrons are transferred to ATP c. RuBP accepts electrons d. electrons are ejected from its special pair

What accumulates inside the thylakoid compartment during the light-dependent reactions? a. sugars b. hydrogen ions c. \(\mathrm{O}_{2}\) d. \(\mathrm{CO}_{2}\)

Light-independent reactions in plants proceed at/in the \(_____\) of chloroplasts. a. thylakoid membrane c. stroma b. plasma membrane d. cytoplasm